/*
 * Copyright (C) 2008-2008 LeGACY <http://www.legacy-project.org/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef DO_POSTGRESQL

#include "DatabaseEnv.h"

QueryResultMysql::QueryResultMysql(MYSQL_RES *result, uint64 rowCount, uint32 fieldCount) :
QueryResult(rowCount, fieldCount), mResult(result)
{
	mCurrentRow = new Field[mFieldCount];
	ASSERT(mCurrentRow);

	MYSQL_FIELD *fields = mysql_fetch_fields(mResult);

	for (uint32 i = 0; i < mFieldCount; i++)
	{
		mCurrentRow[i].SetName(fields[i].name);
		mCurrentRow[i].SetType(ConvertNativeType(fields[i].type));
	}
}

QueryResultMysql::~QueryResultMysql()
{
	EndQuery();
}

bool QueryResultMysql::NextRow()
{
	MYSQL_ROW row;

	if(!mResult)
		return false;

	row = mysql_fetch_row(mResult);
	if(!row)
	{
		EndQuery();
		return false;
	}

	for (uint32 i = 0; i < mFieldCount; i++)
		mCurrentRow[i].SetValue(row[i]);

	return true;
}

void QueryResultMysql::EndQuery()
{
	if(mCurrentRow)
	{
		delete [] mCurrentRow;
		mCurrentRow = 0;
	}

	if(mResult)
	{
		mysql_free_result(mResult);
		mResult = 0;
	}
}

enum Field::DataTypes QueryResultMysql::ConvertNativeType(enum_field_types mysqlType) const
{
	switch (mysqlType)
	{
		case FIELD_TYPE_TIMESTAMP:
		case FIELD_TYPE_DATE:
		case FIELD_TYPE_TIME:
		case FIELD_TYPE_DATETIME:
		case FIELD_TYPE_YEAR:
		case FIELD_TYPE_STRING:
		case FIELD_TYPE_VAR_STRING:
		case FIELD_TYPE_BLOB:
		case FIELD_TYPE_SET:
		case FIELD_TYPE_NULL:
			return Field::DB_TYPE_STRING;
		case FIELD_TYPE_TINY:

		case FIELD_TYPE_SHORT:
		case FIELD_TYPE_LONG:
		case FIELD_TYPE_INT24:
		case FIELD_TYPE_LONGLONG:
		case FIELD_TYPE_ENUM:
			return Field::DB_TYPE_INTEGER;

		case FIELD_TYPE_DECIMAL:
		case FIELD_TYPE_FLOAT:
		case FIELD_TYPE_DOUBLE:
			return Field::DB_TYPE_FLOAT;

		default:
			return Field::DB_TYPE_UNKNOWN;
	}
}
#endif
